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ivy-test.el
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ivy-test.el
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;;; ivy-test.el --- tests for ivy -*- lexical-binding: t -*-
;; Copyright (C) 2015-2019 Free Software Foundation, Inc.
;; Author: Oleh Krehel
;; This file is part of GNU Emacs.
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; For a full copy of the GNU General Public License
;; see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This packages provides the tests for `ert'. They can be executed
;; from the command line as well by calling "make test".
;;; Code:
(require 'ert)
(require 'colir)
;; Useful for #'ivy-read-remap. It must arrive before (require 'ivy).
(define-key global-map (kbd "<S-right>") #'end-of-buffer)
(require 'ivy)
(require 'counsel)
(message "%s" (emacs-version))
(defvar ivy-expr nil
"Holds a test expression to evaluate with `ivy-eval'.")
(defvar ivy-result nil
"Holds the eval result of `ivy-expr' by `ivy-eval'.")
(defun ivy-eval ()
"Evaluate `ivy-expr'."
(interactive)
(setq ivy-result (eval ivy-expr)))
(global-set-key (kbd "C-c e") 'ivy-eval)
(cl-defun ivy-with (expr keys &key dir)
"Evaluate EXPR followed by KEYS."
(let ((ivy-expr expr)
(inhibit-message t)
(buf (current-buffer)))
(save-window-excursion
(unwind-protect
(progn
;; `execute-kbd-macro' doesn't pick up `default-directory'
(when dir
(dired (expand-file-name dir (counsel-locate-git-root))))
(execute-kbd-macro
(vconcat (kbd "C-c e")
(kbd keys))))
(switch-to-buffer buf)))
ivy-result))
(defun command-execute-setting-this-command (cmd &rest args)
"Like `command-execute' but sets `this-command' first."
(setq this-command cmd)
(apply #'command-execute cmd args))
(defadvice symbol-function (around no-void-function activate)
"Suppress void-function errors.
This advice makes `symbol-function' return nil when called on a
symbol with no function rather than throwing a void-function
error. On Emacs 24.4 and above, this has no effect, because
`symbol-function' already does this, but on 24.3 and earlier, it
will bring the behavior in line with the newer Emacsen."
(condition-case nil
ad-do-it
(void-function nil)))
(ert-deftest ivy-partial-1 ()
(should (equal
(ivy-with '(ivy-read "test: " '("case" "Case"))
"ca TAB C-m")
"case"))
(should (equal
(ivy-with '(ivy-read "test: " '("case" "Case"))
"Ca TAB C-m")
"Case")))
(ert-deftest ivy-read ()
(should (equal
(ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
"C-m")
"blue"))
(should (equal
(ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
"y C-m")
"yellow"))
(should (equal
(ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
"y DEL b C-m")
"blue"))
(should (equal
(ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
"z C-m")
"z"))
(should (equal
(ivy-with '(ivy-read "pattern: " '("blue" "yellow"))
"y <backspace> C-m")
"blue"))
(should (equal
(ivy-with '(let ((ivy-re-builders-alist '((t . ivy--regex-fuzzy))))
(ivy-read "pattern: " '("package-list-packages" "something-else")))
"plp C-m")
"package-list-packages"))
(should (equal
(ivy-with '(ivy-read "test" '("aaab" "aaac"))
"a C-n <tab> C-m")
"aaac"))
(should (equal-including-properties
(ivy-with '(ivy-read "test" '(("foo" . "bar")))
"C-m")
"foo"))
(should (equal
(ivy-with '(ivy-read "test" '(("foo" . "bar")))
"asdf C-m")
"asdf"))
(should (equal
(ivy-with
'(with-output-to-string
(ivy-read "test" '(("foo" . "bar"))
:action (lambda (x) (prin1 x))))
"f C-m")
"(\"foo\" . \"bar\")"))
(should (equal
(ivy-with
'(with-output-to-string
(ivy-read "test" '(("foo" . "bar"))
:action (lambda (x) (prin1 x))))
"asdf C-m")
"\"asdf\""))
(should (equal
(ivy-with '(ivy-read "pattern: " '("can do" "can" "can't do"))
"can C-m")
"can"))
(should (equal
(ivy-with '(ivy-read "pattern: "
'("ignore" "build" "build-1" "build-2") :preselect "build")
"b C-m")
"build"))
(should (equal (ivy-with
'(ivy-read "x: " '("one" "two" ("three" . "four")))
"th C-m")
"three")))
(ert-deftest ivy-read-sort-alist ()
(should (equal (ivy-with '(let ((coll '(("b" . "1") ("a" . "2"))))
(ivy-read "test:" coll
:sort t)
coll)
"C-m")
'(("b" . "1") ("a" . "2")))))
(ert-deftest ivy-read-remap ()
(should (equal
(ivy-with '(ivy-read "pattern: " '("blue" "yellow" "red"))
"<S-right> C-m")
"red")))
(ert-deftest swiper--re-builder ()
(setq swiper--width 4)
(should (string= (swiper--re-builder "^")
"."))
(should (string= (swiper--re-builder "^a")
"^ ?\\(a\\)"))
(should (string= (swiper--re-builder "^a b")
"^ \\(a\\).*?\\(b\\)")))
(ert-deftest swiper--re-builder-char-fold ()
:expected-result (if (>= emacs-major-version 25)
:passed
:failed)
(let ((search-default-mode 'char-fold-to-regexp))
(should (string= (swiper--re-builder "f b")
"\\(\\(?:ḟ\\|[fᶠḟⓕｆ𝐟𝑓𝒇𝒻𝓯𝔣𝕗𝖋𝖿𝗳𝘧𝙛𝚏]\\)\\).*?\\(\\(?:b[̣̱̇]\\|[bᵇḃḅḇⓑｂ𝐛𝑏𝒃𝒷𝓫𝔟𝕓𝖇𝖻𝗯𝘣𝙗𝚋]\\)\\)"))
(should (= ivy--subexps 2))))
(ert-deftest ivy--split ()
(should (equal (ivy--split "King of the who?")
'("King" "of" "the" "who?")))
(should (equal (ivy--split "The Britons.")
'("The Britons.")))
(should (equal (ivy--split "Who are the Britons?")
'("Who are" "the Britons?")))
(should (equal (ivy--split "We're all Britons and I am your king.")
'("We're all Britons"
"and I am"
"your king.")))
(should (equal (ivy--split "^[^ ]") '("^[^ ]")))
(should (equal (ivy--split "^[^ ] bar") '("^[^ ]" "bar")))
(should (equal (ivy--split "defun [^ ]+") '("defun" "[^ ]+"))))
(ert-deftest ivy--regex ()
(should (equal (ivy--regex
"defun [^ ]+")
"\\(defun\\).*?\\([^ ]+\\)"))
(should (equal (ivy--regex
"\\(?:interactive\\|swiper\\) \\(?:list\\|symbol\\)")
"\\(\\(?:interactive\\|swiper\\)\\).*?\\(\\(?:list\\|symbol\\)\\)"))
(should (equal (ivy--regex
"foo[")
"foo\\["))
(should (equal (ivy--regex
".org")
"\\.org"))
(should (equal (ivy--regex "foo\\") "foo"))
(should (equal (ivy--regex "foo\\|") "foo")))
(ert-deftest ivy--split-negation ()
(should (equal (ivy--split-negation "") ()))
(should (equal (ivy--split-negation "not") '("not")))
(should (equal (ivy--split-negation "!not") '("" "not")))
(should (equal (ivy--split-negation "not!") '("not")))
(should (equal (ivy--split-negation "!not!") '("" "not")))
(should (equal (ivy--split-negation "not!not!not") '("not" "not")))
(should (equal (ivy--split-negation "not!not\\!not") '("not" "not!not")))
(should (equal (ivy--split-negation "\\!not!not\\!not") '("!not" "not!not")))
(should (equal (ivy--split-negation "\\!not!notnot\\!") '("!not" "notnot!"))))
(ert-deftest ivy--split-spaces ()
(should (equal (ivy--split-spaces "") ()))
(should (equal (ivy--split-spaces " ") ()))
(should (equal (ivy--split-spaces " ") ()))
(should (equal (ivy--split-spaces "a ") '("a")))
(should (equal (ivy--split-spaces " a") '("a")))
(should (equal (ivy--split-spaces " a ") '("a")))
(should (equal (ivy--split-spaces "a ") '("a")))
(should (equal (ivy--split-spaces " a") '("a")))
(should (equal (ivy--split-spaces " a ") '("a")))
(should (equal (ivy--split-spaces "\\ ") '(" ")))
(should (equal (ivy--split-spaces "\\ ") '(" ")))
(should (equal (ivy--split-spaces " \\ ") '(" ")))
(should (equal (ivy--split-spaces "\\ \\ ") '(" ")))
(should (equal (ivy--split-spaces "a\\ ") '("a ")))
(should (equal (ivy--split-spaces "\\ a") '(" a")))
(should (equal (ivy--split-spaces "\\ a\\ ") '(" a ")))
(should (equal (ivy--split-spaces "a b") '("a" "b")))
(should (equal (ivy--split-spaces "a\\ b") '("a b")))
(should (equal (ivy--split-spaces " a b\\ ") '("a" "b ")))
(should (equal (ivy--split-spaces "\\ a b ") '(" " "a" "b")))
(should (equal (ivy--split-spaces " a\\ \\ b ") '("a " " b")))
(should (equal (ivy--split-spaces "foo[") '("foo\\[")))
(should (equal (ivy--split-spaces "foo[a]") '("foo[a]")))
(should (equal (ivy--split-spaces "foo[ ]") '("foo\\[" "]"))))
(ert-deftest ivy--regex-plus ()
(should (equal (ivy--regex-plus "add path\\!") "\\(add\\).*?\\(path!\\)")))
(ert-deftest ivy-partial-2 ()
(when (fboundp 'read--expression)
(should
(equal
(ivy-with '(read--expression "Eval: "
"'s-c-t-st")
"<tab> C-m")
'(quote shell-command-to-string)))))
(ert-deftest ivy--regex-fuzzy ()
(should (string= (ivy--regex-fuzzy "tmux")
"\\(t\\)[^m\n]*\\(m\\)[^u\n]*\\(u\\)[^x\n]*\\(x\\)"))
(should (string= (ivy--regex-fuzzy ".tmux")
"\\(\\.\\)[^t\n]*\\(t\\)[^m\n]*\\(m\\)[^u\n]*\\(u\\)[^x\n]*\\(x\\)"))
(should (string= (ivy--regex-fuzzy "^tmux")
"^\\(t\\)[^m\n]*\\(m\\)[^u\n]*\\(u\\)[^x\n]*\\(x\\)"))
(should (string= (ivy--regex-fuzzy "^tmux$")
"^\\(t\\)[^m\n]*\\(m\\)[^u\n]*\\(u\\)[^x\n]*\\(x\\)$"))
(should (string= (ivy--regex-fuzzy "")
""))
(should (string= (ivy--regex-fuzzy "^")
"^"))
(should (string= (ivy--regex-fuzzy "$")
"$"))
(should (equal (ivy--regex-fuzzy "abc\\|")
"\\(a\\)[^b\n]*\\(b\\)[^c\n]*\\(c\\)")))
(ert-deftest ivy--regex-ignore-order ()
(should (equal (ivy--regex-ignore-order "tmux")
'(("tmux" . t))))
(should (equal (ivy--regex-ignore-order "^tmux")
'(("^tmux" . t))))
(should (equal (ivy--regex-ignore-order "^tmux$")
'(("^tmux$" . t))))
(should (equal (ivy--regex-ignore-order "")
""))
(should (equal (ivy--regex-ignore-order "^")
'(("^" . t))))
(should (equal (ivy--regex-ignore-order "$")
'(("$" . t))))
(should (equal (ivy--regex-ignore-order "one two")
'(("one" . t) ("two" . t))))
(should (equal (ivy--regex-ignore-order "one two !three")
'(("one" . t) ("two" . t) ("three"))))
(should (equal (ivy--regex-ignore-order "one two !three four")
'(("one" . t) ("two" . t) ("three") ("four"))))
(should (equal (ivy--regex-ignore-order "!three four")
'(("three") ("four"))))
;; Support escaping ! and spaces.
(should (equal (ivy--regex-ignore-order "one\\ two")
'(("one two" . t))))
(should (equal (ivy--regex-ignore-order "one\\!two")
'(("one!two" . t))))
;; Don't crash on multiple !.
(ivy--regex-ignore-order "! ! !")
;; Escape invalid regexps.
(should (equal (ivy--regex-ignore-order "foo[ bar[xy]")
'(("foo\\[" . t) ("bar[xy]" . t))))
(should (equal (ivy--regex-ignore-order "foo\\|")
'(("foo" . t)))))
(ert-deftest ivy--format ()
(should (string= (let ((ivy--index 10)
(ivy-format-functions-alist
'((t . (lambda (x) (mapconcat #'identity x "\n")))))
(cands '("NAME"
"SYNOPSIS"
"DESCRIPTION"
"FUNCTION LETTERS"
"SWITCHES"
"DIAGNOSTICS"
"EXAMPLE 1"
"EXAMPLE 2"
"EXAMPLE 3"
"SEE ALSO"
"AUTHOR")))
(ivy--format cands))
#("\nDESCRIPTION\nFUNCTION LETTERS\nSWITCHES\nDIAGNOSTICS\nEXAMPLE 1\nEXAMPLE 2\nEXAMPLE 3\nSEE ALSO\nAUTHOR"
0 90 (read-only nil)
90 96 (face ivy-current-match read-only nil)))))
(ert-deftest ivy--filter ()
(setq ivy-last (make-ivy-state))
(should (equal (ivy--filter "the" '("foo" "the" "The"))
'("the" "The")))
(should (equal (ivy--filter "The" '("foo" "the" "The"))
'("The"))))
(ert-deftest counsel--elisp-to-pcre ()
(should (equal (counsel--elisp-to-pcre
(ivy--regex "foo bar"))
"(foo).*?(bar)"))
(should (equal (counsel--elisp-to-pcre
(ivy--regex "(foo bar)"))
"(\\(foo).*?(bar\\))"))
(should (equal (counsel--elisp-to-pcre
(ivy--regex "{foo bar}"))
"({foo).*?(bar})"))
(should (equal (counsel--elisp-to-pcre "\\{foo bar\\}")
"{foo bar}"))
(should (equal (counsel--elisp-to-pcre "\\(foo\\|bar\\)\\|baz")
"(foo|bar)|baz"))
(should (equal (counsel--elisp-to-pcre
'(("foo") ("bar" . t) ("baz" . t)))
"bar.*baz"))
(should (equal (counsel--elisp-to-pcre
'(("foo\\|bar" . t) ("blah\\|bloop") ("blick" . t) ("\\(baz\\)\\|quux" . t)))
"(?:foo|bar).*blick.*(?:(baz)|quux)"))
(should (equal (counsel--elisp-to-pcre
'(("ivy" . t) ("-")) t)
"^(?=.*ivy)(?!.*-)"))
(should (equal (counsel--elisp-to-pcre
'(("foo" . t)) t)
"foo"))
(should (equal (counsel--elisp-to-pcre
'(("foo")) t)
"^(?!.*foo)")))
(defmacro ivy--string-buffer (text &rest body)
"Test helper that wraps TEXT in a temp buffer while running BODY."
`(with-temp-buffer
(insert ,text)
,@body))
(ert-deftest counsel-url-expand ()
"Test ffap expansion using `counsel-url-expansions-alist'."
;; no expansions defined
(let (counsel-url-expansions-alist)
(should (eq (counsel-url-expand) nil)))
(let ((counsel-url-expansions-alist
'(("^foo$" . "https://foo.com/%s")
("^issue\\([0-9]+\\)" . (lambda (word)
(concat "https://foo.com/issues/"
(match-string 1 word)))))))
;; no match
(should (equal (ivy--string-buffer
"foobar"
(counsel-url-expand)) nil))
;; string expansion
(should (equal (ivy--string-buffer
"foo"
(counsel-url-expand)) "https://foo.com/foo"))
;; function expansion
(should (equal (ivy--string-buffer
"issue123"
(counsel-url-expand)) "https://foo.com/issues/123"))))
(ert-deftest colir-color-parse ()
(should (equal (colir-color-parse "#ab1234")
;; (color-name-to-rgb "#ab1234")
'(0.6705882352941176
0.07058823529411765
0.20392156862745098))))
(ert-deftest colir-blend-face-background ()
;; Note: should be `equal-including-properties', but it doesn't work as I like
;; `equal' doesn't test text properties
(should (equal
(let ((str #("One" 0 3 (face (:foreground "#badfad")))))
(ivy--add-face str 'ivy-current-match)
str)
#("One" 0 3 (face (ivy-current-match :foreground "#badfad")))))
(should (equal
(let ((str #("Desktop" 0 7 (face ((foreground-color . "#badfad") bold)))))
(colir-blend-face-background 0 (length str) 'ivy-current-match str)
str)
#("Desktop" 0 7 (face (ivy-current-match (foreground-color . "#8ac6f2") bold))))))
;;* prefix arg tests
;;** tests with no prefix
(ert-deftest ivy-no-prefix-arg ()
"Tests with no prefix arg."
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-m")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-j")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-M-j")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-M-m")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-M-n")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-M-p")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"M-o o")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"TAB TAB")
nil)))
;;** tests with one prefix
(ert-deftest ivy-one-prefix-arg ()
"Tests with no prefix arg."
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u C-m")
'(4)))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u C-j")
'(4)))
;; C-M-j does not pass a prefix on.
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u C-M-j")
nil))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u C-M-m")
'(4)))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u C-M-n")
'(4)))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u C-M-p")
'(4)))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u M-o o")
'(4)))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action
'(1 ("o" (lambda (x)
(setq res ivy-current-prefix-arg)))
("p" (lambda (x)
(setq res ivy-current-prefix-arg)))))
res)
"C-u M-o p")
'(4)))
;; TAB TAB does not pass prefix arg
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"TAB TAB")
nil)))
(ert-deftest ivy-numeric-prefix-arg ()
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"M-1 M-2 M-3 C-m")
123))
(should (equal
(ivy-with
'(let (res)
(ivy-read "pattern: " '("blue" "yellow")
:action (lambda (x)
(setq res ivy-current-prefix-arg)))
res)
"C-u 123 C-m")
123)))
(ert-deftest ivy-re-match ()
(should (ivy-re-match '(("counsel" . t)) "(defun counsel"))
(should (ivy-re-match '(("defun" . t) ("counsel" . t)) "(defun counsel"))
(should (ivy-re-match '(("counsel" . t) ("defun" . t)) "(defun counsel"))
(should (not (ivy-re-match '(("counsel" . nil) ("defun" . t)) "(defun counsel")))
(should (not (ivy-re-match '(("defun" . t) ("counsel" . nil)) "(defun counsel"))))
(ert-deftest ivy-read-preselect ()
(should (equal
(ivy-with
'(ivy-read "test: "
(list "abc" "default" "def")
:preselect 1)
"RET")
"default"))
(should (equal
(ivy-with
'(ivy-read "test: "
(list "abc" "default" "def")
:preselect "defa")
"RET")
"default")))
(ert-deftest ivy-read-prompt ()
(setq prompt "pattern: ")
(setq collection '("blue" "yellow"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt nil))
(ivy-read prompt collection))
"bl C-m")
"blue"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt nil))
(ivy-read prompt collection))
"bl C-p C-m")
"blue"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt nil))
(ivy-read prompt collection))
"bl C-j")
"blue"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt nil))
(ivy-read prompt collection))
"bl C-p C-j")
"blue"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt nil))
(ivy-read prompt collection))
"bl C-M-j")
"bl"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt nil))
(ivy-read prompt collection))
"bl C-p C-M-j")
"bl"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt t))
(ivy-read prompt collection))
"bl C-m")
"blue"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt t))
(ivy-read prompt collection))
"bl C-p C-m")
"bl"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt t))
(ivy-read prompt collection))
"bl C-j")
"blue"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt t))
(ivy-read prompt collection))
"bl C-p C-j")
"bl"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt t))
(ivy-read prompt collection))
"bl C-M-j")
"bl"))
(should (equal
(ivy-with
'(let ((ivy-use-selectable-prompt t))
(ivy-read prompt collection))
"bl C-p C-M-j")
"bl")))
(defmacro ivy-with-r (expr &rest keys)
`(with-output-to-string
(save-window-excursion
(switch-to-buffer standard-output t)
,expr
(ivy-mode)
(let ((inhibit-message t))
(execute-kbd-macro
,(apply #'vconcat (mapcar #'kbd keys)))))))
(ert-deftest ivy-completion-in-region ()
(should (string=
(ivy-with-r
(progn
(emacs-lisp-mode)
(insert " emacs-lisp-mode-h"))
"C-M-i")
" emacs-lisp-mode-hook"))
(should (string=
(ivy-with-r
(progn
(emacs-lisp-mode)
(insert "(nconc"))
"C-M-i")
"(nconc")))
(ert-deftest ivy-completing-read-def-handling ()
;; DEF in COLLECTION
(should
(equal "b"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil "b")
"RET")))
;; Also make sure that choosing a non-default item works
(should
(equal "c"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil "b")
"c RET")))
;; DEF not in COLLECTION
(should
(equal "d"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil "d")
"RET")))
(should
(equal "c"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil "d")
"c RET")))
;; DEF list, some in COLLECTION
(should
(equal "e"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil '("e" "b"))
"RET")))
(should
(equal "c"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil '("e" "b"))
"c RET")))
;; DEF nil
(should
(equal "a"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil nil)
"RET")))
(should
(equal "c"
(ivy-with '(ivy-completing-read "Pick: " '("a" "b" "c") nil t nil nil nil)
"c RET")))
;; DEF list, empty input (no text collection), non-text default, same object
(let ((def '([a b])))
(should
(eq (car def)
(ivy-with
(eval `'(ivy-completing-read "Pick: " nil nil 'require-match nil nil ',def))
"RET"))))
;; DEF nil, and called via `ivy-completing-read-with-empty-string-def'
(should
(equal ""
(ivy-with '(ivy-completing-read-with-empty-string-def
"Pick: " '("a" "b" "c") nil t nil nil nil)
"RET")))
(should
(equal "c"
(ivy-with '(ivy-completing-read-with-empty-string-def
"Pick: " '("a" "b" "c") nil t nil nil nil)
"c RET"))))
(ert-deftest ivy-completing-read-handlers ()
(cl-letf* ((ivy-mode-reset-arg (if ivy-mode 1 0))
;; Let-bind this so changes are reset after test
(ivy-completing-read-handlers-alist
'((test-command-default-handler . completing-read-default)
(test-command-recursive-handler . ivy-completing-read-with-empty-string-def)))
;; Temporarily define several identical commands
((symbol-function 'test-command-no-handler)
(lambda (arg)
"Read and arg and return it"
(interactive
(list
(completing-read "Pick: " '("a" "b" "c") nil t nil nil nil)))
arg))
((symbol-function 'test-command-default-handler)
(symbol-function 'test-command-no-handler))
((symbol-function 'test-command-recursive-handler)
(symbol-function 'test-command-no-handler)))
(unwind-protect
(progn
;; Activate ivy-mode
(ivy-mode 1)
;; No handler
(should
(equal "a"
(ivy-with
'(command-execute-setting-this-command
'test-command-no-handler)
"RET")))
(should
(equal "c"
(ivy-with
'(command-execute-setting-this-command
'test-command-no-handler)
"c RET")))
;; Handler = `completing-read-default'; make sure ivy-read
;; is never called
(cl-letf (((symbol-function 'ivy-read)
(lambda (&rest args) (error "`ivy-read' should not be called"))))
(should
(equal ""
(ivy-with
'(command-execute-setting-this-command
'test-command-default-handler)
"RET")))
(should
(equal "c"
(ivy-with
'(command-execute-setting-this-command
'test-command-default-handler)
"c RET"))))
;; Handler = `ivy-completing-read-with-empty-string-def';
;; make sure infinite recursion does not occur
(should
(equal ""
(ivy-with
'(command-execute-setting-this-command
'test-command-recursive-handler)
"RET")))
(should
(equal "c"
(ivy-with
'(command-execute-setting-this-command
'test-command-recursive-handler)
"c RET"))))
(ivy-mode ivy-mode-reset-arg))))
(ert-deftest ivy-completion-common-length ()
(should (= 2
(ivy-completion-common-length
#("test/"
0 2 (face completions-common-part)
2 3 (face (completions-first-difference))))))
(should (= 5
(ivy-completion-common-length
#("Math/E"
0 5 (face (completions-common-part))
5 6 (face (completions-first-difference))))))
(should (= 3
(ivy-completion-common-length
#("vec"
0 3 (face (completions-common-part)))))))
(ert-deftest ivy--sort-function ()
"Test `ivy--sort-function' behavior."
;; No enabled collections
(dolist (alist '(() ((t)) ((t nil)) ((a)) ((a nil))))
(let ((ivy-sort-functions-alist alist))
(dolist (coll '(a b))
(should (not (ivy--sort-function coll))))))
(dolist (fn (list #'identity (lambda ()) '(lambda ())))
;; No fallback
(dolist (alist `(((a . ,fn))
((a ,fn))))
(let ((ivy-sort-functions-alist alist))
(should (eq (ivy--sort-function 'a) fn))
(should (not (ivy--sort-function 'b)))))
;; Only fallback
(dolist (alist `(((t . ,fn))
((t ,fn))))
(let ((ivy-sort-functions-alist alist))
(dolist (coll '(a b))
(should (eq (ivy--sort-function coll) fn)))))
;; Fallback with disabled collection
(dolist (alist `(((a) (t . ,fn))
((a) (t ,fn))))
(let ((ivy-sort-functions-alist alist))
(should (not (ivy--sort-function 'a)))
(should (eq (ivy--sort-function 'b) fn)))))
;; Fallback with enabled collection
(let* ((fn0 #'identity)
(fn1 (lambda ()))
(ivy-sort-functions-alist `((a ,fn0) (b) (t ,fn1))))
(should (eq (ivy--sort-function 'a) fn0))
(should (not (ivy--sort-function 'b)))
(should (eq (ivy--sort-function 'c) fn1))))
(ert-deftest ivy-read-directory-name ()
(should
(equal "/tmp/"
(ivy-with
'(read-directory-name "cd: " "/tmp")
"RET"))))
(ert-deftest ivy-partial-files ()
(when (file-exists-p "/tmp/ivy-partial-test")
(delete-directory "/tmp/ivy-partial-test" t))
(mkdir "/tmp/ivy-partial-test/test1" t)
(mkdir "/tmp/ivy-partial-test/test2")
(define-key ivy-minibuffer-map (kbd "TAB") 'ivy-partial)
(should
(equal
(save-window-excursion
(condition-case nil
(ivy-with
'(let ((default-directory "/tmp/ivy-partial-test/"))
(counsel-find-file))
"t TAB TAB TAB C-g")
(quit ivy--old-cands)))
'("test1/" "test2/")))
(define-key ivy-minibuffer-map (kbd "TAB") 'ivy-partial-or-done)
(delete-directory "/tmp/ivy-partial-test" t))
(defun ivy-with-temp-buffer (expr keys)
(let ((temp-buffer (generate-new-buffer " *temp*")))
(save-window-excursion
(unwind-protect
(progn
(switch-to-buffer temp-buffer)
(ivy-with expr keys)
(list (point)
(buffer-string)))
(and (buffer-name temp-buffer)
(kill-buffer temp-buffer))))))
(ert-deftest counsel-yank-pop ()
(let ((kill-ring '("foo")))
(should (equal
(ivy-with-temp-buffer '(counsel-yank-pop) "C-m")
'(4 "foo")))
(let ((counsel-yank-pop-after-point t))
(should (equal
(ivy-with-temp-buffer '(counsel-yank-pop) "C-m")
'(1 "foo"))))))
(ert-deftest ivy-read-file-name-in-buffer-visiting-file ()
"Test `ivy-immediate-done' command in `read-file-name' without any editing in
a buffer visiting a file."
(let ((ivy-mode-reset-arg (if ivy-mode 1 0)))
(ivy-mode 1)
;; `ivy-read' returns "~/dummy-dir/dummy-file" (same object, not a copy).
;;
;; `read-file-name-default' will then return "" in order for
;; `set-visited-file-name' to detect that the user typed RET with
;; the minibuffer empty.
(should
(equal (ivy-with
'(let ((insert-default-directory t))
(with-temp-buffer
(set-visited-file-name "~/dummy-dir/dummy-file")
(read-file-name "Load file: " nil nil 'lambda)))
;; No editing, just command ivy-immediate-done
"C-M-j")
""))
(should
(equal (ivy-state-current ivy-last) "~/dummy-dir/dummy-file"))
(ivy-mode ivy-mode-reset-arg)))
(ert-deftest ivy-starts-with-dotslash ()
(should (ivy--starts-with-dotslash "./test1"))
(should (ivy--starts-with-dotslash ".\\test2"))